01. Sweep J(스윕제이), Neo - Back In The Day Composed by Sweep J(스윕제이), Neo Arranged by Sweep J(스윕제이), Neo Lyric by Sweep J(스윕제이), Neo 02. Sweep J(스윕제이), Neo - Back In The Day (Extended Mix) Composed by Sweep J(스윕제이), Neo Arranged by Sweep J(스윕제이), Neo Lyric by Sweep J(스윕제이), Neo [credit] EXECUTIVE PRODUCER : 박영태 @INITIAL MUSIC Ent Music Produced & Directed by Sweep J(스윕제이), Neo Composed by Sweep J(스윕제이), Neo Arranged by Sweep J(스윕제이), Neo Lyric by Sweep J(스윕제이), Neo Mixed by Sweep J(스윕제이), Neo Mastered by Sweep J(스윕제이), Neo Artwork designed by Neo